Senior React Developer Reactjavascript Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

PHP Fullstack Developer

Hybrid role - 1 day in the office a week after probation. You’ll work on in-house, business-critical systems across CRM, order processing, and customer platforms. Initially focused on bug fixing and maintenance, you’ll quickly gain system knowledge before moving into enhancements and project work to ...

Java Kotlin Developer

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia an ...

.NET Software Developer

.NET Software Developer Well established software development company based in Exeter. £30,000 - £50,000 + Benefits You would be required to be hybrid in the office for the first 3 months and then majority remote once up to speed. There are two roles with a junior and a mi ...

NET Software Developer

.NET Software Developer - Well established software development company based in Exeter. Salary: 30,000 - 50,000 + Benefits. Hybrid in the office for first 3 months, then majority remote until fully up to speed. Two levels: junior and mid. Minimum 1 year C# / .NET experience; ideal 2-5 years. ...

Lead Developer AI

Lead Developer (Full Stack, AI) UK, Remote-first 55k-65k Rare opportunity to join a high growth team building cutting edge AI products in a fast moving, creative environment. You’ll be part of a small, high impact team with the autonomy and pace of a scale up, where decisions are made qui ...

Frontend Web Developer

The Role As a Front-End Web Developer at Air Apps, you will be responsible for crafting seamless, high-performance, and visually engaging web experiences. You will work closely with designers, product managers, and back-end developers to build and optimize user interfaces using mo ...

C++ Software Developer

C++ Developer - Brighton My client is a long-established UK software company that’s been building specialist systems for the flat glass and glazing industry since the 1980s helping manufacturers and processors streamline quoting, production, and business management. You’d be joining a sma ...

Software Developer – 11540SR1

11540SR1£55k – 60k per year Software Developer (Azure & .NET) Portsmouth, Hampshire | 2 days per week on-site | Up to £60k per annum We’re working with an innovative client seeking an experienced Cloud Engineer with a strong background in Azure and .NET technologies. This role ...

Back End Developer

Location: London (Hybrid: 3 days in office, 2 days WFH) The Role You will be responsible for developing robust backend services and integration layers across complex digital products, including work involving AI APIs and RAG workflows. Key Responsibilities Develop ...

Lead SAS Developer

Lead SAS Developer - Government Programme £800 per day | Hybrid (2-3 days onsite in Newcastle) | SC Clearance Required Sanderson Government & Defence is proud to be supporting a key government client in the search for a highly experienced Lead SAS Developer to join a major t ...

Lead Mobile Developer

About the Role Hippo Digital is a rapidly growing digital consultancy passionate about building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are recruiting for a Lead Mobile Developer to support in our mission. We work at the ...

Back End Developer

Back-End Developer Rate: £500-£550 p/d Inside IR35 Duration: 12 months Location: Hybrid 2-3 days per week in Corsham Requirements: We are seeking an experienced Back-End Developer to support the design and delivery of a public-facing government website, developed in line w ...

Lead Python Developer

About The Role Hippo is recruiting Lead Python Developers to join our Hippo Herd. Lead Python Developers work in multi-disciplinary teams that build, support & maintain User-Centred digital solutions that offer real value and work for everyone. Hippo’s Lead Python Developers are experts i ...

ICT Software Developer

ICT Software Developer £34,434 to £36,363 per annum + benefits About the role We are seeking to fill an upcoming vacancy for the role of ICT Software Developer. This is a varied and interesting role, supporting the ICT team with transformational change pr ...

Associate Information Developer

Overview The Trust has recently invested in new Data Warehouse systems and Business Intelligence reporting tools. We are looking for an experienced Information Developer to join our busy and highly skilled team to further develop and maintain the data warehouse and reporting cubes. Respo ...

AI Engineer / Developer

Position Description At CGI, you will help design and deliver advanced AI solutions that support mission‑critical systems across the Space, Defence and Intelligence sector. As an AI Developer / Engineer, you will build and deploy intelligent applications that unlock the value of data, enh ...

Cloud Platform Developer

Job Description Cloud Platform Developer DXC Technology is committed to building diverse, inclusive teams where everyone can thrive. We warmly welcome applications from people of all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent ca ...

Business Developer UK

Job Title: Business Developer (E-commerce and Digital Marketing)Location: UK (currently living in UK) Job Description: We are seeking a dynamic and proactive Business Developer to join our team in the e-commerce and digital marketing sector. As a Business ...

.NET Developer – Colchester

.NET Developer - Global Fitness Movement - Colchester, Essex (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer) Born in 201 ...

Developer Platform Engineer

About Us Equals Money is a leading payments and financial operations platform helping businesses simplify, control, and optimise their money movement. With more than a million customers served over 18 years, our award‑winning portfolio spans travel money, international transfers, card issuing, FX ...

Software Build Developer

Internal Job Title: Build Engineer Key Responsibilities of the role Maintain templates and work instructions used for detailed specification gathering from Clients. Work with and support Implementation Specialist in populating and gathering of specifications from Clients ...

Business Intelligence Developer

Location: Reading (onsite a few days per month, approximately 80 percent remote) Purpose To deliver high quality reporting, dashboards and data insights across the business using Power BI and core data tools. Key Responsibilities Develop, enhance and mainta ...

Front End Developer

Join Nordcloud and be part of the European cloud revolution. We supercharge our customers to innovate in hyperscaler cloud, enabling seamless migration, advanced security, and data-driven success. Currently, we are looking for a Front End Developer to join our team in the UK. Your ...

Business Developer UK

Are you someone who loves connecting with people, discovering opportunities, and making things happen? We’re looking for a curious, energetic Business Developer to help us grow in the UK. At IXON, we connect machines with their builders. We are at the forefront of revolutionising the way machines a ...

Java Developer (Remote)

Job Description As a Java Developer, you will create and maintain critical regulatory systems in Java. The regulatory platform services team is responsible for ensuring the technical compliance of our gaming and betting services with regulatory traceability requirements, capturing million ...

Windows Developer (.NET)

Windows Developer (.NET) Location: Essex – 2 days per week Type: Permanent Salary: Up to £50,000 Cooper Lomaz are working with a leading organisation to recruit an experienced .NET Windows Developer to join their growing technology team. This is an ex ...

Salesforce FSL Developer

We are looking for an experienced Salesforce Field Service Lightning (FSL) Senior Developer to provide technical leadership on complex FSL implementations, integrations, and custom developments. The role requires deep hands‑on expertise in Salesforce development along with the ability to guide team ...

Front End Developer

Company Description Company Description About the Business Division This role is part of ONEHealth Communications, a subsidiary of M3 Inc., which is a specialist Healthcare Communications agency working in partnership with our clients to deliver end‑to‑end marketing services acr ...

Graduate Software Developer

Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big data, cloud computing, digital media and the internet of thing ...

Freelance WordPress Developer

Codeable is the only WordPress freelancer platform. We match customers to the best WordPress experts. We help customers solve any WordPress problem. Codeable connects a community of professional WordPress development experts from around the world with businesses that need a WordPress site built, devel ...

Junior Product Developer

Position: Junior Product Developer – JD Own Brand Location: Hollinsbrook Way, Pilsworth, Bury, Lancs BL9 8RR • Hours: 40 per week Role Overview: The purpose of this job is to support the Product Developer & Senior Product Developer with the development of JD Own Brand product. Taking respon ...

Junior PHP Developer

Location: Hybrid - Initial 4 - 6 weeks: 2 days onsite in South Yorkshire Full time permanent position The Role This is an exciting opportunity for an aspiring developer ready to take the next step and grow their skills in a genuinely supportive, forward thinking environment, all w ...

Lead Salesforce Developer

At Kpler, we are dedicated to helping our clients navigate complex markets with ease. By simplifying global trade information and providing valuable insights, we empower organisations to make informed decisions in commodities, energy, and maritime sectors. Since our founding in 2014, we have focuse ...

Swaps Developer Contract

An opportunity exists for a technically oriented individual to join the Equity technology team in London. The role will focus on developing & maintaining our Equity Swaps platform – supporting front and middle office users in multiple time zones. The successful candidate will collaborate with busine ...

SQL / ETL Developer

SQL / ETL Developer Finance Systems Horsham or London, 3 days per week in office £76,000, 12-month FTC, No sponsorship available VIQU have partnered with a well-established organisation seeking a SQL / ETL Developer to support and enhance business‑critical finance reporting system ...

Java Backend Developer

Overview MrQ - we're an award-winning online casino launched in 2018. We’re big on tech, performance, and creating a best-in-class player experience. Our growth has been rapid, and we’re building a platform that can scale globally—this requires engineers who can operate at both depth and system-wi ...

Salesforce Administrator & Developer

As Salesforce Administrator & Developer at Spire, you will own the technical foundation and day-to-day administration of our CRM ecosystem (Salesforce & HubSpot). Y ou will be a key driver of ourGo-To-Market Operations excellence, ensuring that our CRM and marketing automation ecosystem (Salesforce & HubSp ...

SAP BTP Developer

Role The SAP BTP Developer is responsible for the design, development and support of cloud-based integrations, extensions and applications on SAP Business Technology Platform (BTP). This role plays a key part in Shoosmiths’ SAP modernisation journey which starts with a move to SAP Rise and Integra ...

Back End Developer

About The Job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . < ...

Node.JS Developer Newcastle

Job Description Node.JS Application Developer Location Newcastle Security Clearance Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK ...

Sr Salesforce Developer

Overview Introduction Exclusive Networks is the global cybersecurity go-to-market specialist that provides partners and end-customers with a wide range of services and product portfolios. With offices in over 45 countries and the ability to serve customers in over 170 countries, we ...

Graduate Software Developer

We are looking for ambitious and creative juniors to join one of the fastest and most exciting financial services companies in the world. As a Junior Full Stack Developer, you will play a crucial role in building resilient, scalable technology that drives the company's growth. Working in an agile, cross-fu ...

Graduate Software Developer

Infodata are an established UK based developer of application software, building innovative software solutions for hotels, UK private members clubs, restaurants and other areas in the hospitality sector throughout the UK. We are looking for two new (or very recent) graduates in computer sci ...

Software / Web Developer

Overview Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we face our clients and their problems head‑on? It is a diverse and inclusive work environment where world‑class talent knows no d ...

Power BI Developer

Why this Role Matters This is a pivotal role supporting our O+O (Online & Offline) strategy, delivering clear, actionable insights through Power BI that enable our Business Units and Group teams to understand member and business data faster and more easily. By transforming complex datasets into m ...

C++ Developer (Risk)

We are currently partnering with a global investment bank to hire a Senior Developer. This is an exciting opportunity to contribute to the build-out of next-generation risk analytics platforms supporting Front Office and Risk functions. Key Responsibilities Develop and enhance intraday ...

Microsoft 365 Developer

Microsoft 365 Developer Salary - £44,075 - £49,282 (Grade 7) Hours - 37 Contract type - full time Work Style - Flexible: working from home with minimum 1 day per week in council offices About the Role Are you passionate abo ...

SQL / ETL Developer

SQL / ETL Developer Finance Systems Horsham or London, 3 days per week in office £76,000, 12-month FTC, No sponsorship available VIQU have partnered with a well-established organisation seeking a SQL / ETL Developer to support and enhance business‑critical finance reporting system ...

Backend (Node.js) Developer

Ben je IT specialist op zoek naar een nieuwe baan? Dan klik je op ”Ik ben IT specialist”. Ben jij een organisatie en benieuwd naar onze diensten? Klik dan op ”ik ben werkgever”. Je kunt via de switch button tussen beide omgevingen switchen. Makkelijk toch?! Vind jij als Backend (Node.js) Developer v ...

SQL Database Developer

SQL Server Database Developer - Dartford - Hybrid Our 10 year partner and key client are hiring a SQL Server Database Developer to join a growing IT Development team within a well-established, fast‑scaling global logistics and e‑commerce business named in the Sunday Times Top Track 250 companies. ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Senior React Developer Reactjavascript Jobs in United Kingdom Job Search Guide, Trends and Insights